@inproceedings{ijcai1993p91,
  title     = {Efficient Temporal Reasoning through Timegraphs},
  author    = {Gerevini, Alfonso and Schubert, Lenhart K.},
  booktitle = {Proceedings of the Thirteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-93}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ruzena Bajcsy},
  pages     = {648--653},
  year      = {1993},
  note      = {Knowledge Representation},
  url       = {https://ijcai.org/proceedings/1993/91},
}